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GB2381360B - Alarm apparatus - Google Patents

Alarm apparatus

Info

Publication number
GB2381360B
GB2381360B GB0224433A GB0224433A GB2381360B GB 2381360 B GB2381360 B GB 2381360B GB 0224433 A GB0224433 A GB 0224433A GB 0224433 A GB0224433 A GB 0224433A GB 2381360 B GB2381360 B GB 2381360B
Authority
GB
United Kingdom
Prior art keywords
alarm apparatus
alarm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0224433A
Other versions
GB2381360A (en
GB0224433D0 (en
Inventor
Nicholas Mark Sims
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GARDINER TECHNOLOGY Ltd
Original Assignee
GARDINER TECHNOLOGY Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9905172.4A external-priority patent/GB9905172D0/en
Application filed by GARDINER TECHNOLOGY Ltd filed Critical GARDINER TECHNOLOGY Ltd
Publication of GB0224433D0 publication Critical patent/GB0224433D0/en
Publication of GB2381360A publication Critical patent/GB2381360A/en
Application granted granted Critical
Publication of GB2381360B publication Critical patent/GB2381360B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/126—Checking intermittently signalling or alarm systems of annunciator circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
GB0224433A 1999-03-05 2000-03-03 Alarm apparatus Expired - Fee Related GB2381360B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9905172.4A GB9905172D0 (en) 1999-03-05 1999-03-05 Alarm apparatus
GB0005262A GB2349255B (en) 1999-03-05 2000-03-03 Alarm apparatus

Publications (3)

Publication Number Publication Date
GB0224433D0 GB0224433D0 (en) 2002-11-27
GB2381360A GB2381360A (en) 2003-04-30
GB2381360B true GB2381360B (en) 2003-07-09

Family

ID=26243798

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0224433A Expired - Fee Related GB2381360B (en) 1999-03-05 2000-03-03 Alarm apparatus

Country Status (1)

Country Link
GB (1) GB2381360B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945280A (en) * 1987-10-29 1990-07-31 G.P.B. Beghelli S.R.L. Independent emergency lighting system with self-diagnosis
EP0415621A2 (en) * 1989-08-31 1991-03-06 Minitronics Pty. Ltd. Communication system for single point emergency lighting
WO1992004758A1 (en) * 1990-09-04 1992-03-19 Minitronics Pty. Ltd. Improved communications and testing for emergency lighting systems
GB2258571A (en) * 1991-05-03 1993-02-10 Protec Fire Detection Plc Testing emergency lighting systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945280A (en) * 1987-10-29 1990-07-31 G.P.B. Beghelli S.R.L. Independent emergency lighting system with self-diagnosis
EP0415621A2 (en) * 1989-08-31 1991-03-06 Minitronics Pty. Ltd. Communication system for single point emergency lighting
WO1992004758A1 (en) * 1990-09-04 1992-03-19 Minitronics Pty. Ltd. Improved communications and testing for emergency lighting systems
GB2258571A (en) * 1991-05-03 1993-02-10 Protec Fire Detection Plc Testing emergency lighting systems

Also Published As

Publication number Publication date
GB2381360A (en) 2003-04-30
GB0224433D0 (en) 2002-11-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100303